May Weather in Trindade, Sao Tome and Principe

Last updated: August 31, 2025

In May, Trindade experiences a warm tropical climate characterized by an average temperature of 27°C (80°F). Daily highs reach a pleasant 29°C (84°F), while nights are comfortably mild at 25°C (77°F). However, the tropical charm comes with notable precipitation, as the area receives about 154 mm (6.1 in) of rain over the month, spread across 20 rainy days. With humidity levels hovering around 75%, the air feels lush and invigorating, creating a vibrant and flourishing landscape that embodies the essence of São Tomé and Príncipe.

May Temperature in Trindade

May in Trindade, São Tomé and Príncipe is characterized by consistently warm temperatures, with minimums hovering around 25°C (77°F) and maximums peaking at 29°C (84°F). The average temperature remains steady at 27°C (80°F), mirroring the delightful stability seen in the preceding months. This warmth creates a lush environment, ideal for exploring the island's scenic beauty. As spring gracefully transitions to the onset of summer, the weather remains pleasant and inviting, making May a lovely time to soak in the sunshine while enjoying the island's vibrant landscapes. The gradual shift towards slightly cooler temperatures in June is a gentle reminder of the island's climatic rhythm, yet May retains its charming tropical allure, perfect for both relaxation and adventure.

May Weather in Trindade: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Trindade, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trindade, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec808181818078767677787979
Data source: Temperature data for Trindade generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Trindade

In May, Trindade experiences a considerable rainfall of 154 mm (6.1 in), reflecting the region's typical wet season. The month sees precipitation on 20 days, continuing the trend established in April, where rainfall peaked at 158 mm (6.2 in). This consistent pattern indicates that spring ushers in a significant amount of moisture, essential for the lush vegetation that characterizes the island. Notably, rainfall begins to decline sharply after May, with June dropping to just 39 mm (1.5 in), highlighting a transitional phase towards the drier months ahead. The gradual decrease in precipitation days signals a shift towards less frequent but more intense bouts of rain as the year progresses.

May Precipitation Trends in Trindade

The chart displays monthly precipitation patterns in Trindade, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Trindade, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12913014815915439172654171229257
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Trindade

In May, Trindade experiences a consistent humidity level of 75%, mirroring the average conditions of the previous months. This steady humidity sets the stage for the lush, vibrant landscapes the region is celebrated for. As the year progresses into June and July, humidity begins to rise slightly, reaching 76%, while later months see a notable increase, with humidity peaking at an impressive 86% in September. Throughout the year, the relatively high humidity levels contribute to the island's tropical climate, showcasing a gradual buildup as the dry season transitions into the wet season, embodying the lush beauty characteristic of São Tomé and Príncipe.

May Average Humidity in Trindade

This chart illustrates the average monthly humidity levels in Trindade, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Trindade is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%73%74%75%76%77%83%86%85%81%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Trindade

In May, Trindade experiences a UV Index of 13, maintaining an extreme exposure category that requires caution for sunbathers and outdoor enthusiasts. This trend of high UV levels is consistent with the previous months, where values peaked at 14 in April and 13 in March and February, creating a pattern of significant sun intensity. As locals and visitors alike prepare for their outdoor activities, it’s essential to acknowledge that the burn time remains a swift 10 minutes for unprotected skin. As the region transitions into the milder UV Index of 10 in June, staying informed is crucial. For further details on UV conditions, visit Trindade UV Index.

Maximum UV Index Levels in Trindade for May

The chart shows the monthly maximum UV Index (UVI) for Trindade in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Trindade typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121313141310101113131312
Data source: Trindade May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Trindade

As May unfolds in Trindade, São Tomé and Príncipe, it continues the trend of abundant sunshine with 272 hours of glorious daylight. This month stands out as a favorite between the peak sunny months of July and August, which boast 289 and 291 hours respectively. Following a slight dip from April's 269 hours, May embraces a steady warmth, preserving the island's inviting atmosphere. The gradual increase in sunshine hours from January's 250 to a remarkable 295 in September showcases Trindade's transition into a sun-drenched paradise, making it an ideal time for outdoor adventures and soaking up the vibrant local culture.

Monthly Sunshine Duration in Trindade: May Highlighted

The May sunshine duration represents the total number of hours Trindade experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec250h260h279h269h272h277h289h291h295h274h268h290h
Data source: Trindade May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Trindade During May

In Trindade, Sao Tome and Principe, May signals a notable increase in the likelihood of sunny weather, with a 26% chance of sunshine. This marks a slight rise compared to the preceding months, particularly April's 19%. As spring transitions into early summer, May emerges as one of the more promising months for sunshine, outshined only by the sun-soaked July with a peak of 33%. Interestingly, the trend suggests that while April and March offer relatively lower chances for sun, May hints at a brighter outlook, setting the tone for the sunnier days that follow in the year. Overall, if you’re planning a visit, May’s weather might just provide the perfect backdrop for your adventures.

Percentage of Sunny Days in May in Trindade

The chart illustrates the percentage of sunny days in Trindade throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Trindade experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%21%16%19%27%23%33%27%22%19%27%24%
Data source: Trindade May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Trindade in May

In Trindade, São Tomé and Príncipe, the rhythm of daylight remains remarkably consistent throughout the year, with each month basking in 12 hours of sunlight. This steady illumination creates a harmonious backdrop for island life, allowing residents and visitors alike to enjoy a balanced blend of day and night. While many destinations experience fluctuating daylight durations due to seasonal changes, Trindade's unwavering 12-hour daylight pattern invites a sense of stability and predictability. As the sun rises and sets with unwavering regularity, the island's vibrant culture and stunning landscapes can be appreciated in equal measure, regardless of the month.

Average Daylight Hours in Trindade for May

The chart illustrates the variation in daylight duration in Trindade throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 5m12h 5m12h 5m12h 6m12h 7m12h 7m12h 7m12h 6m12h 6m12h 5m12h 5m12h 5m
Data source: Trindade daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Trindade

In May, Trindade experiences a delightful uptick in its average wind speed, reaching 4.1 m/s (9 mph), marking a shift from the gentle breezes of the earlier months. This increase hints at the island's transition towards the more robust winds of June and July, where speeds climb to 5.4 m/s (12 mph). The progression from April's softer gusts of 3.2 m/s (7 mph) showcases May as a pivotal month, bridging the tranquil start of the year with the more spirited winds that dominate the peak summer months. As the winds pick up, this vibrant change enhances outdoor activities, making May an ideal time for exploration and enjoyment of Trindade's breathtaking landscapes.

Average May Wind Speed in Trindade

The chart displays monthly wind speed patterns in Trindade, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.73.93.24.1 m/s5.45.45.85.45.04.33.6
Data source: Trindade May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Trindade Compares to Other Months

Weather in Trindade varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Trindade, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January exhibit similar average temperatures, both hovering around 27°C (80°F), but May tends to be slightly warmer, with a maximum temperature of 29°C (84°F) compared to January's 28°C (83°F). Despite this minor difference, both months share a warm climate with high humidity levels at 75%. However, May receives more precipitation, totaling 154 mm (6.1 in) over 20 days, while January sees somewhat less with 129 mm (5.1 in) across 21 days. For a closer look at January weather conditions, you can check Trindade weather in January.

In comparing the weather between May and February, both months experience similar temperature ranges, with minimums around 25°C (77°F), average temperatures of approximately 27°C (80°F), and maximums reaching 29°C (84°F). However, May sees slightly more precipitation, with 154 mm (6.1 in) falling over 20 days, compared to February's 130 mm (5.1 in) across 19 days. Humidity levels remain consistent at 75% in both months, contributing to a warm and tropical climate. For more specific details, you can check Trindade weather in February.

In comparing the weather patterns of March and May, both months exhibit similar temperature ranges, with minimums around 25°C (77°F), averaging 27°C (80°F), and maximums reaching up to 29°C (84°F) in May and 29°C (85°F) in March. However, May experiences slightly more precipitation, totaling 154 mm (6.1 in) across 20 days compared to March's 148 mm (5.8 in) over the same number of days. Humidity levels are also marginally higher in May at 75%, compared to March's 73%. For more detailed insights, you can explore Trindade weather in March.

In comparing the weather between April and May, we see that both months have similar temperature ranges, with a minimum of 25°C (77°F), an average of around 27°C (81°F in April and 80°F in May), and a maximum of 29°C (84°F). However, April experiences slightly higher precipitation, with 158 mm (6.2 in) over 17 days compared to May's 154 mm (6.1 in) across 20 days. Humidity levels are slightly higher in May at 75%, compared to April's 74%. For a more detailed look at April's weather specifics, visit Trindade weather in April.

May and June present a noticeable transition in weather conditions. May features warmer temperatures, with a minimum of 25°C (77°F) and an average of 27°C (80°F), peaking at 29°C (84°F). However, it also brings significant rainfall, accumulating 154 mm (6.1 in) over 20 days, contributing to a humidity level of 75%. In contrast, June sees slightly cooler temperatures, with a minimum of 23°C (74°F) and an average of 25°C (78°F), reaching a maximum of 27°C (81°F). Additionally, June is much drier, with only 39 mm (1.5 in) of precipitation over just 7 days, maintaining a similar humidity level of 76%. For a more detailed look at June weather, visit Trindade weather in June.

May experiences warmer temperatures compared to July, with average highs reaching 29°C (84°F) versus July's maximum of 26°C (80°F). In addition, May has significantly more rainfall, with 154 mm (6.1 in) of precipitation over 20 days, while July sees only 17 mm (0.7 in) over just 3 days. Both months maintain high humidity levels, with May at 75% and July slightly lower at 76%. Overall, May is characterized by a wetter and warmer climate compared to the drier and cooler conditions of July. For more details, you can visit this link: Trindade weather in July.

May and August present contrasting weather patterns. In May, the temperatures are warmer, ranging from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), with an average of 27°C (80°F). This month is characterized by significant rainfall, totaling 154 mm (6.1 in) over 20 days, and a humidity level of 75%. In contrast, August is cooler with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 26°C (79°F), averaging 24°C (76°F). Rainfall drops sharply to 26 mm (1.0 in) over just 6 days, although the humidity increases slightly to 83%. For more detailed information, you can visit Trindade weather in August.

May and September exhibit notable differences in weather patterns. In May, the temperatures are generally warmer, with a minimum of 25°C (77°F), an average of 27°C (80°F), and a maximum of 29°C (84°F). However, this month experiences higher precipitation levels, averaging 154 mm (6.1 in) spread over 20 days, alongside a humidity level of 75%. In contrast, September's temperatures are slightly cooler, with a minimum of 24°C (75°F), average of 25°C (77°F), and a maximum of 26°C (80°F). The month is characterized by significantly reduced rainfall, totaling 53 mm (2.1 in) over just 9 days, and higher humidity at 86%. For more detailed information on September weather specifically, visit Trindade weather in September.

When comparing the weather in May and October, it is evident that both months offer warm temperatures with only slight variations. In May, the temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), with an average of 27°C (80°F). October, on the other hand, sees a slightly lower maximum temperature of 27°C (81°F) but maintains a similar minimum of 24°C (76°F) and an average of 26°C (79°F). Precipitation levels also differ slightly; May experiences 154 mm (6.1 in) of rainfall over 20 days, while October has a higher total of 171 mm (6.7 in) over 25 days, leading to increased humidity at 85% compared to May's 75%. For more detailed insights into October's climate, visit Trindade weather in October.

In comparing the weather between May and November, both months experience warm temperatures, with May slightly warmer overall, as it has a minimum of 25°C (77°F) and an average of 27°C (80°F). In contrast, November's temperatures are marginally lower, with a minimum of 24°C (76°F) and an average of 26°C (79°F). However, November sees significantly more precipitation, totaling 229 mm (9.0 in) over 27 days, compared to May’s 154 mm (6.1 in) over 20 days. Additionally, humidity levels are slightly higher in November at 81%, compared to 75% in May. For more detailed information, you can explore Trindade weather in November.

When comparing the weather in May and December, we see that both months have similar temperature ranges, with minima around 25°C (77°F) and maxima between 28°C (82°F) and 29°C (84°F). However, December experiences significantly higher precipitation, averaging 257 mm (10.1 in) over 28 days, compared to May’s 154 mm (6.1 in) over 20 days. Additionally, while humidity levels are quite close, December is slightly more humid at 76% compared to May's 75%. For more detailed information, you can check Trindade weather in December.

Compare Trindade's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Trindade

In May, Trindade experiences a captivating transition as temperatures settle into a pleasant rhythm, making it warmer than the preceding months yet still mild enough to enjoy outdoor activities. With an average temperature hovering around 27°C (80°F), the weather is characterized by higher humidity and a notable increase in precipitation, bringing lush greenery to the landscape. While this month records more rainy days compared to the drier months, the frequent showers contribute to the region's vibrant scenery, enhancing its natural beauty. Those looking to explore the serene beaches and lush forests of Trindade should embrace May's unique blend of warmth and moisture—a delightful experience for any traveler. For a deeper dive into the weather patterns, visit Trindade Climate.